<section class="app">
    <p>切换lazyload模块</p>
    <p>change lazyload module</p>
    <a routerLink="/lazyload-1">模块1(module1)</a>
    <a routerLink="/lazyload-2">模块2(module2)</a>
    <router-outlet class="router"></router-outlet>
</section>

